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National Stock Number:
4820-01-284-4864
Federal Supply Class:
4820
National Item Identification Number:
012844864
Description:
VALVE,STOP-CHECK
Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
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Manufacturer Information:
| 803-2177934 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-B136 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SC260WS1-4 | 63686 | THE WALWORTH COMPANY | | 803-2177934-B136AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SCREW | | CONNECTION STYLE | SOCKET WITH BRAZING RING (PIPE) ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MAXIMUM OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | MANUAL |
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